Pencil-sharpener.



o. COURANT. PENCIL SHARPENER.

APPLICATION FILED OCT.31,1912.

ggff l l? Patented Mar. 11, 1913.

' irricff 'i' nini!" effraienf i com* conRANT, oF'BnooKLYN, NEW Yonii.

PENCIL-SARPENER.

Specication of Letters Patent. I Patented Ma 1'.. 11i l `Application.tiled vOctober 31, 1912. Serial No. 728,778.

gioie.

the following is a specification.-v

My invention relates to an improved pencil Sharpener employing a cutteror cutting cylinder'jvhich is mounted on ,an inclined plane within thecasing of the device.

pencil Sharpeners of this type theeutterlhas heretofore been so niountedthat Whenan old cutter was to be removed and a neiv one inserted. it wasnecessary to practicallydisasseinble the several parts of the structure.

rlhe primary objectof iny invention is .to 'so iniprovethc. structuraldetails of a pencil Sharpener that the cutter andthe frame supportingthe 'saine niayhe rernoved4 without disturbing any of the other parts ofthe mechanism.` One important ad`vantage o1" this construction is thatone ma-` chine may be used for various types of cut,- ters, 2'. e.cutters may be used by which very' sharp points are produced. medium.points are produced or very long drawingr pencil points may beproduced, the. operationot removing an old cutter and inserting' a newone being very simple and requiring no niechanical skill.

rPhe preferred einbodiinei'lt of the inven` tion is illustrativelyexelnplitied in the ac` coinpairvinn' 'drawing` wherein Figure 1 is anappr-onimatcljvr vertical ccn- 'tral section through a pencil sharpenerein` l v bodving inv invention; and Fie. 2 is a detail sectional view onthe line` a-b of Fig. 1,

looking in the direction of the arrow.

Referring to thcdrawing by reference characters. 10 denotes a casinghaving the depending portion 11 in which the drawer 12 forreceiving'shavings is mounted, a space 1?, heingleft between the innerpart of the casing 10 and the 'drawer 1Q to allow'the shavings to fallinto the latter. At o'ne end thecasing is provided with anopening 11:through which the pencils to be.' sharpencd are inserted. 15 is a coverWhiclri'ests loosely on .top of the casing lO. Opposite the opening 14,-the casing 10 is provided' with a bearing 1 5 designed to receive ashaft i thereto.

-idesi-gnated generally as 17 and provided with the operating crank ,18rigidly attached The shaft 17 is reduced at 19 and atthe. end oppositethe crank handle 18 is again reduced and formed with an aperture Q0 fora purpose to be described. The crank shaft 17 is 'designed to engagea'nd rotate the cutting,l cylinder and the frame in which the latterisnmunted, and to this end the following; construction is provided.

'Q1' is a frame hating one end abutting the frontfxvalltf the casing- 10and its opposite end formed into a Substantially goose-neck member 22through which a pin 23 passes, said pin engagingv the aperture. 20 inthe end oI'the crank shaft 17.,l hy which arrangearnent thefrariiel andthe 'shaft 17 are removably connected together. The 'trarne 21 isprovided ivith oppogitely disposed depending inclined hearing' lugs 24in which the cuttinp; c vlinder' Q51 is revoluhly mounted.' Revolutionof the, Cutting cylinder is eiiected nl v interengagenient ot the learwheel Q6 carried h v the cutting' cylinder 25, and gear wheel 2T-rigidlyfixed to the traine or casing l0. .lt wi'll he apparent thatas the crankhandle 1S is turned the 'traine :21 will he turned njitlrit and the,Qjear QG will engage the lrar 27 whereby the cylinder 25 will herotated in its bearingv 211. The frame 2l is also provided with anadjust-able stop Q8 the position ot which is adapted to determine thelength ot the point.' 'to be made on a lead pencil.

Mounted pivotally ou a stud QS) carried hy the casing' ltl'is a keeper3G having: ay `central. semi-circular aperture 31. rlhcv purpose of this,keeper is to prevent lat,- cral or longitudinal shitting of the 'frame'and its apinutenant parte. the aperture 31 in'the keeperhcing designedto take over the reduced part '19 of the shaft 17.

. `When`itis deeired to disaswei'nhle the parts, itis sinlply necessaryto. lift ott the cover 15,-raise thc keeper 30 and then ...pull outthecrank handle 18 and Shaft 17 wherehy the trame'Ql and its cuttingcylinder 25 may be lifted out of the casing. To insert a new cuttingcylinder. Vthe operation naine-,- diat'ely above described is simplyreversed. claim`2. pencil Sharpener len'iloodyingrtherein a .casinghaving a bearing formed in one Wall fr ng and having a transversepin-engaging m meej/m.

thereo, a crank shaft revolubl mounted in l for revolving said crankshaft and the parts said bearing and. having a re uced portion 1.connected thereto. 10 intermediate its ends, and an aperture at the i ntestimony whereof I have afxed my inner end thereof, a frame Within saideast signature in presence 'of-two Witnesses.

one@ Conmnr the aperture in the inner end of said crank shaft, :L keeperadapted to engage the reduced portion of said crank shaft and meansWitnessesz SAL@ Conn',r MARTIN B. Colm,

